Checking The Drive Belt Tension - KAESER SM 8 Service Manual

9.4

Checking the Drive Belt Tension

 Switch off the compressor unit (see chapter 8.3).
Check the tension of the belt drive after the first 2 and 24 hours of operation and thereafter
every 500 hours of operation.
1 Hexagonal nut
2 Hexagonal nut
3 Indicator pin
The belt drive tension is automatically adjusted within a limited range by the pressure
spring of the belt tensioning device.
Re---tension the belt drive if the belts have stretched to the point where the indicator pin (3)
is situated at the top end of its indicator slot.
 Loosen the hexagonal nut (1).
 Tension the belt drive with the hexagonal nut (2) until the indicator pin (3) is situated at
the bottom end of its indicating slot.
 Tighten the hexagonal nut (1).
Maintenance
Lock the main disconnect switch in the "off" position in accordance
with applicable lock out/tag out procedures to ensure the compressor
does not restart.
1
2
3
9 --- 33